integer_spec.rb in acfs-0.46.0

- old
+ new

@@ -1,19 +1,34 @@
 require 'spec_helper'
 
 describe Acfs::Resource::Attributes::Integer do
-  subject { Acfs::Resource::Attributes::Integer.new }
+  let(:type) { Acfs::Resource::Attributes::Integer.new }
 
-  describe 'cast' do
-    it 'should cast integer strings' do
-      expect(subject.cast('123')).to eq 123
+  describe '#cast' do
+    subject { -> { type.cast value } }
+
+    context 'with nil' do
+      let(:value) { nil }
+      it { expect(subject.call).to eq nil }
     end
 
-    it 'should cast empty string (backward compatibility)' do
-      expect(subject.cast('')).to eq 0
+    context 'with empty string' do
+      let(:value) { '' }
+      it { expect(subject.call).to eq 0 }
     end
 
-    it 'should not cast invalid integers' do
-      expect { subject.cast 'abc' }.to raise_error TypeError
+    context 'with blank string' do
+      let(:value) { "  \t" }
+      it { expect(subject.call).to eq 0 }
+    end
+
+    context 'with string' do
+      let(:value) { '123' }
+      it { expect(subject.call).to eq 123 }
+    end
+
+    context 'with invalid string' do
+      let(:value) { '123a' }
+      it { is_expected.to raise_error ArgumentError }
     end
   end
 end